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When is the sum of two triangular numbers triangular?

Published online by Cambridge University Press:  14 March 2016

Nick Lord
Nick Lord*
Affiliation:
Tonbridge School, Kent TN9 1JP
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Abstract

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Type
Teaching Notes
Information
The Mathematical Gazette , Volume 100 , Issue 547 , March 2016 , pp. 152 - 154
Copyright
Copyright © Mathematical Association 2016 

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References

1.May, K., Problem 68.A, Math. Gaz. 68 (March 1984) p. 57; Solution, Math. Gaz. 68 (October 1984) pp. 219–221.Google Scholar
2.Crilly, T., Double sequences of positive integers, Math. Gaz. 69 (December 1985) pp. 263–271.Google Scholar